US20070063528A1 - Vehicle sun visor - Google Patents
Vehicle sun visor Download PDFInfo
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- US20070063528A1 US20070063528A1 US10/595,683 US59568304A US2007063528A1 US 20070063528 A1 US20070063528 A1 US 20070063528A1 US 59568304 A US59568304 A US 59568304A US 2007063528 A1 US2007063528 A1 US 2007063528A1
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- Prior art keywords
- cover
- sun visor
- light
- illuminating device
- vehicle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/02—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in position
- B60J3/0204—Sun visors
- B60J3/0278—Sun visors structure of the body
- B60J3/0282—Sun visors structure of the body specially adapted for a courtesy mirror
Definitions
- This application relates to vehicle sun visors having a mirror with a cover and configured such that an illuminating device, hidden behind the cover, is uncovered and illuminated when the cover is opened.
- Patent Document 1 A relevant conventional vehicle sun visor is described in Patent Document 1.
- the above vehicle sun visor has a sun visor body for shielding sunlight incident into a vehicle cabin.
- a rectangular holder 94 is mounted to the center of a surface of the sun visor body.
- a mirror 95 and an illuminating device 96 are fixedly stored within the holder 94 .
- a rotary cover 94 h is mounted to the holder 94 so that the mirror 95 and the illuminating device 96 are uncovered, in the state where the rotary cover 94 h is opened.
- a switch (not shown) is mounted to a rotational center portion of the rotary cover 94 h and is configured so that the switch is turned on when the rotary cover 94 h is opened, and the switch is turned off when the rotary cover 94 h is closed.
- Patent Document 1 Japanese Laid-Open Patent Publication No. 2002-331834
- the illuminating device 96 when the mirror 95 is not used, or when the rotary cover 94 h is closed, the illuminating device 96 is not illuminated because the switch is turned off. Therefore, it is not possible to use the illuminating device 96 for other purposes than illumination during the use of the mirror. For every time that it is desired to use the illuminating device 96 for any other purposes, it is necessary to open the rotary cover 94 h. Therefore, the convenience in use is not good.
- the present invention has been made for solving the above problem. It is a technical object of the present invention to improve the versatility of a vehicle sun visor by enabling the use of an illuminating device of a mirror for other purposes while the cover of the minor is closed.
- the invention according to claim 1 is a vehicle sun visor having a mirror with a cover mounted to a surface of a sun visor body and configured such that an illuminating device, hidden by the cover, is uncovered and illuminated when the cover is opened.
- the invention is characterized in that the vehicle sun visor includes an auxiliary lighting means that can illuminate the illuminating device in the state in which the cover is closed.
- a light-leaking means that can leak the light of the illuminating device to the outside of the cover such that the illuminating device can illuminate the surface of the sun visor body, in the state in which the cover is closed.
- the illumination device for the mirror can also be used as an illuminating device, such as, for a cardholder and a small article receptacle of the sun visor body.
- the rotary switch may operate by lowering the sun visor body from the storage position to the light-shielding position, so that the illuminating device is automatically illuminated.
- the mirror-illuminating device as an illuminating device for a cardholder and a small article receptacle of the sun visor body by simply lower the sun visor body to the light-shielding position.
- the supply of electric power to the illuminating device is terminated by the operation of the timer circuit. Therefore, no operation is required for turning off the light.
- the illumination device for the mirror can also be used as an illuminating device, such as, for a cardholder and a small article receptacle of the sun visor body with the cover of the mirror held closed. Therefore, the convenience can be improved in the use of the vehicle sun visor.
- FIG. 1 This is a perspective view of the entire vehicle sun visor (in the state in which a cover is opened) according to a first embodiment of the present invention (view A), and a perspective view of the entire vehicle sun visor (in the state in which the cover is closed) (view B).
- FIG 2 This is a vertical sectional view showing a part of a mirror and a cover of the vehicle sun visor (taken along line IIA-IIA in FIG. 1 (B)) (view A), a cross-sectional view taken along line IIB-IIB in FIG. 1 (A) (view B), and a cross-sectional view taken along line IIC-IIC in FIG. 1 (A) (view C).
- FIG. 3 This is a schematic view showing the construction of an illuminating device (views A and B).
- FIG. 4 This is an electrical circuit configuration of the illuminating device.
- FIG. 5 This is an enlarged partial view showing modifications of the vehicle sun visor (views A, B, C, and D)
- FIG. 1 is a perspective view of the entire vehicle sun visor according to this embodiment
- FIG. 2 is a vertical cross-sectional view, etc., showing a portion of a mirror and a cover of the vehicle sun visor.
- FIG. 3 is schematic views showing the arrangement of an illuminating device
- FIG. 4 is an electrical circuit configuration of the illuminating device.
- FIG. 5 is a partly enlarged view, etc., showing a modification of the vehicle sun visor.
- a vehicle sun visor 10 has a sun visor body 20 for shielding sunlight incident into a vehicle cabin, and a support rod 12 that vertically rotatably supports the sun visor body 20 .
- a base end of the support rod 12 is joined to a support flange 13 , which is secured to a vehicle cabin-ceiling surface T.
- the sun visor, body 20 can vertically pivot between a storage position, along the vehicle cabin-ceiling surface T, and a light-shielding position, along the side of a window glass.
- FIG. 1 (A)(B) shows a state in which the sun visor body 20 has been lowered to the light-shielding position.
- a peripheral portion 22 formed to have a thick thickness, and a plate-like portion 24 , disposed inside of the peripheral portion 22 and having a relatively thin thickness, constitute the sun visor body 20 .
- a rectangular mirror 26 is mounted at a substantially central position of the plate-like portion 24 .
- the mirror 26 is secured to the plate-like portion 24 and held by trim 24 t, which has an end edge integrated with the plate-like portion 24 and has a hook-like cross-section.
- a cardholder 28 is disposed on the lower left portion of the surface of the sun visor body 20 , for holding a card C at a boundary part between the peripheral portion 22 and the plate-like portion 24 .
- a cover 30 of the mirror 26 is vertically pivotally joined to the surface of the sun visor body 20 at a position on the upper part of the peripheral portion 22 .
- the cover 30 is configured to be able to vertically pivot between a closed position, in which the cover 30 is laid over the plate-like portion 24 of the sun visor body 20 and entirely covers the mirror, 25 , as shown in FIG. 1 (B) and FIG. 2 (A), and an opened position, in which the cover 30 uncovers the mirror 26 as shown in FIG. 1 (A).
- the cover 30 is held substantially perpendicular to the sun visor body 20 by the resilient force of a spring or the like (not shown).
- the thickness of the cover 30 is set to have such a value that the level of a surface 31 of the cover 30 is substantially the same as the level of the peripheral portion 22 of the sun visor body 20 , when the cover 30 has been laid over the plate-like portion 24 of the sun visor body 20 .
- the illuminating devices 40 are those commonly used for illuminating the mirror 26 and for illuminating the cardholder 28 .
- the illuminating devices 40 are respectively configured by light emitting diodes 42 (hereinafter called LEDs 42 ) as light sources, and light guide panels 44 for directing the light from the LEDs to predetermined positions, and for substantially uniformly refracting and scattering the lights.
- LEDs 42 light emitting diodes 42
- light guide panels 44 for directing the light from the LEDs to predetermined positions, and for substantially uniformly refracting and scattering the lights.
- the light guide panels 44 are rectangular transparent panels that are stored within the respective illuminating device recesses 38 .
- Inner flanges 38 f formed on open edges of the respective illuminating device recesses 38 , hold the peripheral portions of the light guide panels 44 .
- the LEDs 42 are stored within the illuminating device recesses 38 at positions nearest to the pivotal center of the cover 30 and are located inside of the inner flanges 38 f, as shown in FIG. 2 (B). Although in general, two LED's 42 are used for one light guide panel 44 , the number to be used can be suitably changed.
- FIG. 2 (B) is a cross-sectional view taken along line IIB-IIB in FIG. 1 (A).
- FIG. 3 (A)(B) are schematic views showing the operation of the light guide panel 44 of the above illuminating device 40 .
- a plurality of grooves 44 m is formed on the surface of a light guide panel 44 for refracting the light, which travels along the light guide panel 44 , to directions intersecting with the traveling directions.
- the grooves 44 m have depths and widths that become greater as the distance from the LED 42 becomes larger.
- the amount of light (refracted light) is proportional to the groove area of the groove 44 m. Therefore, the amount refracted light increases as the depth and width of a groove 44 m becomes greater.
- the light energy decreases in inverse proportion to the square of the distance from the LED 42 . As a result, the light energy is greater at a position proximal to the LED 42 and is smaller at a position remote from the LED 42 .
- the depths and widths of the grooves 44 m are determined such that the amount of the refracted light is substantially uniform over the entire light guide panel 44 , taking into account the decrease in the energy at the respective grooves 44 m.
- Acryl, polycarbonate, etc. may be preferably used as the material of the light guide panels 44 .
- the surface of the light guide panel 44 may be configured as an inclined surface with fine irregularities, as shown in FIG. 3 (B), so that the inclined surface may refract the light.
- the light guide panels 44 are stored within the illumination device recesses 38 , formed in the inside surface 32 of the cover 30 , and are held by the inner flanges 38 f, formed on the open edges of the illumination device recesses 38 . Therefore, when the cover 30 is in an opened state, the light from the LEDs 42 may be substantially uniformly radiated from the openings of the illumination device recesses 38 to illuminate the surroundings.
- FIG. 2 (C) shows a view as viewed from line IIC-IIC in FIG. 1 (A).
- reflecting panels may be attached to the wall surfaces of the illumination device recesses 38 .
- FIG. 4 shows an electrical circuit configuration of the illuminating device 40
- the DC 12V battery power source of the vehicle may be used as a power source of the electrical circuit.
- a +12V terminal P is connected to the plus terminal of the LED 42 via a rotary switch SW 1 of the sun visor body 20 and a timer circuit TM.
- a rotary switch SW 2 of the covert 30 is connected in parallel to the rotary switch SW 1 of the sun visor body 20 and the timer circuit TM.
- a minus terminal of the LED 42 is connected to an earth terminal G of the power source circuit.
- the LED 42 is illuminated for a period of time (egg 10 seconds) determined by the timer circuit TM. Even after the period of time determined by the timer circuit TM has been passed, the LED 42 may be illuminated during the time that the rotary switch SW 2 of the cover 30 is turned on.
- the rotary switch SW 1 of the sun visor body 20 is configured such that the switch is turned on when the sun visor body 20 is in the lowered state at the light-shielding position, while the switch is turned off when the sun visor body 20 is midway in an upward movement toward the storage position.
- the rotary switch SW 2 is turned on when the cover 30 is held in the opened position, while it is turned off midway in the returning movement of the cover 30 to the closed position
- the sun visor body 20 may be lowered from the storage position to a light-shielding position This may turn on the rotary switch SW 1 of the sun visor body 20 , so that the LEDs 42 of each illuminating device 40 are illuminated during a time period (e.g. 10 seconds) determined by the timer circuit TM.
- a time period e.g. 10 seconds
- the light from the LED 42 may travel along the light guide panel 44 and may be refracted by each of the grooves 44 m of the light guide panel 44 .
- the light guide panel 44 may shine substantially uniformly because the grooves 44 m are configured such that the amount of refracted light is substantially uniform across the light guide panel 44 , irrespective of the distance from the LED 42 .
- the light refracted by the light guide panel 44 may leak to the outside via the corresponding slits 39 of the cover 30 so as to illuminate the surroundings, since the cover 30 is in a closed position in this state. Therefore, the surroundings of the cardholder 28 are illuminated so that the driver can easily take out the highway card C.
- the sun visor body 20 may be lowered from the storage position to the light-shielding position. As described above, this may turn on the LED 42 of the illuminating device 40 , and the light may be leaked from the corresponding slit 39 of the cover 30 to the outside, so that the location of the cover 30 can be clearly recognized. In this state, opening the cover 30 may turn on the rotary switch SW 2 of the cover 30 . Therefore, the LED 42 of the illuminating device 40 may remain illuminated even after the time period determined by the timer circuit TM has been passed.
- the opening of the illuminating device recess 38 formed in the inner surface 32 of the cover 30 , is uncovered, so that the light of the LED 42 may be substantially uniformly radiated and scattered from the surface (exposed surface) of the light guide panel 44 , and may illuminate the passenger's face from the circumference of the mirror 26 .
- the rotary switch SW 2 may be turned off so that the LED 42 of the illuminating device 40 is turned off.
- the lighting devices 40 may be turned on by the operation of the rotary switch SW 1 of the sun visor body 20 and the timer circuit TM, as the auxiliary lighting means. At that time, the light from the illuminating devices 40 may be leaked to the outside by the operation of the slits 39 as the light-leaking device and may illuminate the surface of the sun visor body 20 . Therefore, it is possible to use the mirror illumination devices 40 also as illuminating devices for the cardholder 28 , etc., of the sun visor body 20 . If a small article receptacle and other tools are mounted to the surface of the sun visor body 20 , it is possible to also illuminate the small article receptacle, etc.
- the rotary switch SW 1 When the sun visor body 20 is lowered from a storage position to the light-shielding position, the rotary switch SW 1 is operated to automatically turn on the illuminating devices.
- a supply of power to the illuminating devices 40 may be terminated after passing a predetermined time period (e.g. 10 seconds). Therefore, no operation for turning on or off the light is necessary, and a problem of leaving without turning off may be avoided so that the convenience in use may be improved.
- the light-leaking device is slits 39 formed in the end edges of the cover 30 , the light-leaking device can be manufactured at a low cost.
- illuminating devices 40 are mounted to the cover 30 , and the slits 39 as the light leaking means are formed in the cover 30 in this embodiment
- illuminating devices 50 may be mounted to the sun visor body 20 as shown in FIG. 5 (B), and clearances S between the sun visor body 20 and the cover 30 may be used as a light leaking means (see FIG. 5 (A)(B)).
- the illuminating devices 50 may be mounted to the sun visor body 20 as shown in FIG. 5 (C), and slits 29 as a light leaking means may be formed in positions of the sun visor body 20 where the slits are not hidden by the cover 30 .
- a transparent cover 51 for the illuminating device 50 may be configured to have an L-shape configuration in cross-section.
- a vertical wall portion 51 k of the transparent cover 51 may be positioned between the cover 30 and the sun visor body 20 when the cover 30 has been closed.
- the transparent cover 51 is a lens.
- the illuminating device 50 having an electric bulb as a light source is shown in FIG. 5 (B)(C)(D). It is possible to use the illuminating device 40 having the LED 42 and the light guide panel 44 .
- the vehicle sun visor 10 may enable forming the illuminating device 40 to have a thin and compact construction in comparison with the case in which an electric bulb, etc. is used as an illuminating device. Therefore, it is possible to mount the illuminating device 40 to the cover 30 for the mirror 26 , etc., so that freedom in mounting the illuminating device 40 is improved.
- the size of the illuminating device can be reduced in comparison with the case where an electric bulb is used.
- the light guide panel is incorporated, it is possible to guide the light of the LED to a desired position, and therefore, it is possible to effectively use the light from the LED for the purpose of illumination.
- either side of the sun visor body in the widthwise direction can be illuminated with substantially the same brightness.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
A vehicle sun visor is provided enabling an illuminating device for a mirror to also be used for an illuminating device for a cardholder and a small article receptacle of a sun visor body. According to the present invention, a vehicle sun visor including a mirror (26) with a cover mounted to a surface of a sun visor body (20) and configured such that an illuminating device (40) hidden by the cover (30) is uncovered and illuminated when the cover is opened. The vehicle sun visor also includes an auxiliary lighting means that can light the illuminating device in the state where the cover is closed, and a light leaking means that can leak the light of the illuminating device to the outside of the cover such that the illuminating device can illuminate the surface of the sun visor body in the state where the cover is closed.
Description
- This application relates to vehicle sun visors having a mirror with a cover and configured such that an illuminating device, hidden behind the cover, is uncovered and illuminated when the cover is opened.
- A relevant conventional vehicle sun visor is described in Patent Document 1.
- The above vehicle sun visor has a sun visor body for shielding sunlight incident into a vehicle cabin. As shown in
FIG. 6 , arectangular holder 94 is mounted to the center of a surface of the sun visor body. Amirror 95 and anilluminating device 96 are fixedly stored within theholder 94. Arotary cover 94 h is mounted to theholder 94 so that themirror 95 and theilluminating device 96 are uncovered, in the state where therotary cover 94 h is opened. A switch (not shown) is mounted to a rotational center portion of therotary cover 94 h and is configured so that the switch is turned on when therotary cover 94 h is opened, and the switch is turned off when therotary cover 94 h is closed. Turning on the switch may supply electric power to theilluminating device 96 and then theilluminating device 96 is illuminated. Thus, when themirror 95 is used, via the opening of therotary cover 95, theilluminating device 96 is automatically illuminated. Therefore, it is possible to use themirror 95 even in the case in which the cabin is dark. - Patent Document 1: Japanese Laid-Open Patent Publication No. 2002-331834
- According to the vehicle sun visor described above, when the
mirror 95 is not used, or when therotary cover 94 h is closed, theilluminating device 96 is not illuminated because the switch is turned off. Therefore, it is not possible to use theilluminating device 96 for other purposes than illumination during the use of the mirror. For every time that it is desired to use theilluminating device 96 for any other purposes, it is necessary to open therotary cover 94 h. Therefore, the convenience in use is not good. The present invention has been made for solving the above problem. It is a technical object of the present invention to improve the versatility of a vehicle sun visor by enabling the use of an illuminating device of a mirror for other purposes while the cover of the minor is closed. - The above problem can be solved by the inventions defined in claims.
- The invention according to claim 1 is a vehicle sun visor having a mirror with a cover mounted to a surface of a sun visor body and configured such that an illuminating device, hidden by the cover, is uncovered and illuminated when the cover is opened. The invention is characterized in that the vehicle sun visor includes an auxiliary lighting means that can illuminate the illuminating device in the state in which the cover is closed. A light-leaking means that can leak the light of the illuminating device to the outside of the cover such that the illuminating device can illuminate the surface of the sun visor body, in the state in which the cover is closed.
- According to this invention, it is possible to light the illuminating device for the mirror by the auxiliary lighting means even in the event that the mirror is not used, or the cover of the mirror is closed At that time, the light from the illuminating device may be leaked to the outside of the cover by the operation of the light-leaking means and may illuminate the surface of the sun visor body. Therefore, the illumination device for the mirror can also be used as an illuminating device, such as, for a cardholder and a small article receptacle of the sun visor body.
- The invention of claim 2 is characterized in that the auxiliary lighting means includes a rotary switch operating when the sun visor body has been pivoted from a storage position along a ceiling of a vehicle and a light-shielding position on the side of a window glass of the vehicle. A timer circuit is configured to be able to supply electric power to the illuminating device within a predetermined time period after the point when the rotary switch has operated. Here, the switch may include any type of construction that can electrically connect one electrical conductor to another electrical conductor, and can release the connection.
- According to this invention, the rotary switch may operate by lowering the sun visor body from the storage position to the light-shielding position, so that the illuminating device is automatically illuminated. Thus, it is possible to use the mirror-illuminating device as an illuminating device for a cardholder and a small article receptacle of the sun visor body by simply lower the sun visor body to the light-shielding position. In addition, after a predetermined period of time has passed the supply of electric power to the illuminating device is terminated by the operation of the timer circuit. Therefore, no operation is required for turning off the light.
- According to the invention of claim 3, the light-leaking means is a slit formed in an end edge of the cover. Therefore, it is possible to manufacture the light-leaking means at a low cost. Here, the light-leaking means may be a clearance, which is formed between the cover and the sun visor body in the state where the cover is closed as defined in claim 4, or may be a slit, formed in the sun visor body in such a position that is not hidden by the cover, as defined in claim 5. Further, the light-leaking means may be a transparent part formed on the cover and/or the sun visor body as defined in claim 6.
- According to the present invention, the illumination device for the mirror can also be used as an illuminating device, such as, for a cardholder and a small article receptacle of the sun visor body with the cover of the mirror held closed. Therefore, the convenience can be improved in the use of the vehicle sun visor.
- [
FIG. 1 ] This is a perspective view of the entire vehicle sun visor (in the state in which a cover is opened) according to a first embodiment of the present invention (view A), and a perspective view of the entire vehicle sun visor (in the state in which the cover is closed) (view B). - [FIG 2] This is a vertical sectional view showing a part of a mirror and a cover of the vehicle sun visor (taken along line IIA-IIA in
FIG. 1 (B)) (view A), a cross-sectional view taken along line IIB-IIB inFIG. 1 (A) (view B), and a cross-sectional view taken along line IIC-IIC inFIG. 1 (A) (view C). - [
FIG. 3 ] This is a schematic view showing the construction of an illuminating device (views A and B). - [
FIG. 4 ] This is an electrical circuit configuration of the illuminating device. - [
FIG. 5 ] This is an enlarged partial view showing modifications of the vehicle sun visor (views A, B, C, and D) - [
FIG. 6 ] This is a perspective view of a vehicle sun visor according to a prior art.Description of Numerals 10 sun visor body 26 mirror 30 cover 39 slit (light-leaking means) 40 illuminating device 42 LED 44 light guide panel SW1 rotary switch of the sun visor body (auxiliary lighting means) TM timer circuit (auxiliary lighting means)
Best Mode for Carrying out the Invention
- A vehicle sun visor according to a first embodiment will now be described based upon FIGS. 1 to 5. Here,
FIG. 1 is a perspective view of the entire vehicle sun visor according to this embodiment, andFIG. 2 is a vertical cross-sectional view, etc., showing a portion of a mirror and a cover of the vehicle sun visor.FIG. 3 is schematic views showing the arrangement of an illuminating device, andFIG. 4 is an electrical circuit configuration of the illuminating device. Further,FIG. 5 is a partly enlarged view, etc., showing a modification of the vehicle sun visor. - As shown in
FIG. 1 , avehicle sun visor 10 has asun visor body 20 for shielding sunlight incident into a vehicle cabin, and asupport rod 12 that vertically rotatably supports thesun visor body 20. A base end of thesupport rod 12 is joined to asupport flange 13, which is secured to a vehicle cabin-ceiling surface T. With this construction, the sun visor,body 20 can vertically pivot between a storage position, along the vehicle cabin-ceiling surface T, and a light-shielding position, along the side of a window glass.FIG. 1 (A)(B) shows a state in which thesun visor body 20 has been lowered to the light-shielding position. - A
peripheral portion 22, formed to have a thick thickness, and a plate-like portion 24, disposed inside of theperipheral portion 22 and having a relatively thin thickness, constitute thesun visor body 20. On the surface on the side opposing to a passenger when thesun visor body 20 is in the light-shielding position, or a surface of the sun visor,body 20, arectangular mirror 26 is mounted at a substantially central position of the plate-like portion 24. Themirror 26 is secured to the plate-like portion 24 and held bytrim 24 t, which has an end edge integrated with the plate-like portion 24 and has a hook-like cross-section. Acardholder 28 is disposed on the lower left portion of the surface of thesun visor body 20, for holding a card C at a boundary part between theperipheral portion 22 and the plate-like portion 24. - A
cover 30 of themirror 26 is vertically pivotally joined to the surface of thesun visor body 20 at a position on the upper part of theperipheral portion 22. Thecover 30 is configured to be able to vertically pivot between a closed position, in which thecover 30 is laid over the plate-like portion 24 of thesun visor body 20 and entirely covers the mirror, 25, as shown inFIG. 1 (B) andFIG. 2 (A), and an opened position, in which thecover 30 uncovers themirror 26 as shown inFIG. 1 (A). When in the opened position, thecover 30 is held substantially perpendicular to thesun visor body 20 by the resilient force of a spring or the like (not shown). - The thickness of the
cover 30 is set to have such a value that the level of asurface 31 of thecover 30 is substantially the same as the level of theperipheral portion 22 of thesun visor body 20, when thecover 30 has been laid over the plate-like portion 24 of thesun visor body 20. - In a
surface 32 or aninner surface 32 of thecover 30, opposite to thesurface 31, amirror recess 36 is formed for storing themirror 26 when thecover 30 is in the closed position, as shown inFIG. 2 (A). Here,FIG. 2 (A) shows a cross-sectional view taken along line IIA-IIA inFIG. 1 (B). In addition, illumination device recesses 38 are formed in theinner surface 32 of thecover 30 for storing illumination devices 40 (that will be explained later) on opposite sides of themirror recess 36 in the widthwise direction. - The illuminating
devices 40 are those commonly used for illuminating themirror 26 and for illuminating thecardholder 28. The illuminatingdevices 40 are respectively configured by light emitting diodes 42 (hereinafter called LEDs 42) as light sources, andlight guide panels 44 for directing the light from the LEDs to predetermined positions, and for substantially uniformly refracting and scattering the lights. - The
light guide panels 44 are rectangular transparent panels that are stored within the respective illuminating device recesses 38.Inner flanges 38 f, formed on open edges of the respective illuminating device recesses 38, hold the peripheral portions of thelight guide panels 44. TheLEDs 42 are stored within the illuminating device recesses 38 at positions nearest to the pivotal center of thecover 30 and are located inside of theinner flanges 38 f, as shown inFIG. 2 (B). Although in general, two LED's 42 are used for onelight guide panel 44, the number to be used can be suitably changed.FIG. 2 (B) is a cross-sectional view taken along line IIB-IIB inFIG. 1 (A). -
FIG. 3 (A)(B) are schematic views showing the operation of thelight guide panel 44 of the above illuminatingdevice 40. - As shown in
FIG. 3 (A), a plurality ofgrooves 44 m, having V-shaped cross-sections, is formed on the surface of alight guide panel 44 for refracting the light, which travels along thelight guide panel 44, to directions intersecting with the traveling directions. Thegrooves 44 m have depths and widths that become greater as the distance from theLED 42 becomes larger. Here, the amount of light (refracted light) is proportional to the groove area of thegroove 44 m. Therefore, the amount refracted light increases as the depth and width of agroove 44 m becomes greater. On the other hand, the light energy decreases in inverse proportion to the square of the distance from theLED 42. As a result, the light energy is greater at a position proximal to theLED 42 and is smaller at a position remote from theLED 42. - In the illuminating
device 40, the depths and widths of thegrooves 44 m are determined such that the amount of the refracted light is substantially uniform over the entirelight guide panel 44, taking into account the decrease in the energy at therespective grooves 44 m. Acryl, polycarbonate, etc., may be preferably used as the material of thelight guide panels 44. Instead of forming thegrooves 44 m as described above, the surface of thelight guide panel 44 may be configured as an inclined surface with fine irregularities, as shown inFIG. 3 (B), so that the inclined surface may refract the light. - As described above, the
light guide panels 44 are stored within the illumination device recesses 38, formed in theinside surface 32 of thecover 30, and are held by theinner flanges 38 f, formed on the open edges of the illumination device recesses 38. Therefore, when thecover 30 is in an opened state, the light from theLEDs 42 may be substantially uniformly radiated from the openings of the illumination device recesses 38 to illuminate the surroundings. - Further, as shown in
FIG. 2 (C), slits 39 are formed for communicating with the inner spaces of the illumination device recesses 38 in opposite side surfaces in the widthwise direction of thecover 30 and along the lengthwise direction of thecover 30. Even if thecover 30 is in a closed state, theslits 39 may leak the light from theLEDs 42, which was refracted by thelight guide panels 44, to the outside in order to enable illumination of the surface of thesun visor body 20. Thus, theslits 39 may correspond to a light-leaking device according to the present invention. Here,FIG. 2 (C) shows a view as viewed from line IIC-IIC inFIG. 1 (A). Preferably, reflecting panels (not shown) may be attached to the wall surfaces of the illumination device recesses 38. -
FIG. 4 shows an electrical circuit configuration of the illuminatingdevice 40 - The DC 12V battery power source of the vehicle may be used as a power source of the electrical circuit. As shown in the figure, a +12V terminal P is connected to the plus terminal of the
LED 42 via a rotary switch SW1 of thesun visor body 20 and a timer circuit TM. A rotary switch SW2 of the covert 30 is connected in parallel to the rotary switch SW1 of thesun visor body 20 and the timer circuit TM. A minus terminal of theLED 42 is connected to an earth terminal G of the power source circuit. - Therefore, when the rotary switch SW1 of the
sun visor body 20 is turned on, theLED 42 is illuminated for a period of time (egg 10 seconds) determined by the timer circuit TM. Even after the period of time determined by the timer circuit TM has been passed, theLED 42 may be illuminated during the time that the rotary switch SW2 of thecover 30 is turned on. Here, the rotary switch SW1 of thesun visor body 20 is configured such that the switch is turned on when thesun visor body 20 is in the lowered state at the light-shielding position, while the switch is turned off when thesun visor body 20 is midway in an upward movement toward the storage position. The rotary switch SW2 is turned on when thecover 30 is held in the opened position, while it is turned off midway in the returning movement of thecover 30 to the closed position - The operation of the
vehicle sun visor 10 according to this embodiment will now be described, For example, if a highway card C is to be taken out from thecardholder 28 of thesun visor body 20 during nighttime traveling of the vehicle, thesun visor body 20 may be lowered from the storage position to a light-shielding position This may turn on the rotary switch SW1 of thesun visor body 20, so that theLEDs 42 of each illuminatingdevice 40 are illuminated during a time period (e.g. 10 seconds) determined by the timer circuit TM. When anLED 42 is illuminated, the light from theLED 42 may travel along thelight guide panel 44 and may be refracted by each of thegrooves 44 m of thelight guide panel 44. Thelight guide panel 44 may shine substantially uniformly because thegrooves 44 m are configured such that the amount of refracted light is substantially uniform across thelight guide panel 44, irrespective of the distance from theLED 42. The light refracted by thelight guide panel 44 may leak to the outside via the correspondingslits 39 of thecover 30 so as to illuminate the surroundings, since thecover 30 is in a closed position in this state. Therefore, the surroundings of thecardholder 28 are illuminated so that the driver can easily take out the highway card C. - An operation for turning off the illuminating
device 40 is not necessary because theLED 42 of the illuminatingdevice 40 is turned off after 10 seconds by the timer circuit TM. Therefore, a problem, such as leaving without turning off, may be avoided. Although theLED 42 may be illuminated when thesun visor body 20 has been lowered to a light-shielding position in order to shield sunlight, no particular problems may be caused because the timer circuit TM automatically turns off theLED 42 after 10 seconds. Consequently, the rotary switch SW1 and the timer circuit TM of thesun visor body 20 in the electric circuit may correspond to an auxiliary lighting means according to the present invention. - Further, when a passenger uses the
mirror 26 of thesun visor body 20 during nighttime, thesun visor body 20 may be lowered from the storage position to the light-shielding position. As described above, this may turn on theLED 42 of the illuminatingdevice 40, and the light may be leaked from the corresponding slit 39 of thecover 30 to the outside, so that the location of thecover 30 can be clearly recognized. In this state, opening thecover 30 may turn on the rotary switch SW2 of thecover 30. Therefore, theLED 42 of the illuminatingdevice 40 may remain illuminated even after the time period determined by the timer circuit TM has been passed. As thecover 30 is opened, the opening of the illuminatingdevice recess 38, formed in theinner surface 32 of thecover 30, is uncovered, so that the light of theLED 42 may be substantially uniformly radiated and scattered from the surface (exposed surface) of thelight guide panel 44, and may illuminate the passenger's face from the circumference of themirror 26. As a result, it is possible to use themirror 26 even during the nighttime. At that time, the passenger is not required to directly look at thelight guide panel 44 in order to see themirror 26. Thus, he or she may not feel dazzled. When thecover 30 is closed, the rotary switch SW2 may be turned off so that theLED 42 of the illuminatingdevice 40 is turned off. - As described above, according to the
vehicle sun visor 10 of this embodiment, even if thecover 30 of themirror 26 is closed, thelighting devices 40 may be turned on by the operation of the rotary switch SW1 of thesun visor body 20 and the timer circuit TM, as the auxiliary lighting means. At that time, the light from the illuminatingdevices 40 may be leaked to the outside by the operation of theslits 39 as the light-leaking device and may illuminate the surface of thesun visor body 20. Therefore, it is possible to use themirror illumination devices 40 also as illuminating devices for thecardholder 28, etc., of thesun visor body 20. If a small article receptacle and other tools are mounted to the surface of thesun visor body 20, it is possible to also illuminate the small article receptacle, etc. - When the
sun visor body 20 is lowered from a storage position to the light-shielding position, the rotary switch SW1 is operated to automatically turn on the illuminating devices. In addition, due to the operation of the timer circuit TM, a supply of power to the illuminatingdevices 40 may be terminated after passing a predetermined time period (e.g. 10 seconds). Therefore, no operation for turning on or off the light is necessary, and a problem of leaving without turning off may be avoided so that the convenience in use may be improved. Further, because the light-leaking device is slits 39 formed in the end edges of thecover 30, the light-leaking device can be manufactured at a low cost. - Furthermore, although the illuminating
devices 40 are mounted to thecover 30, and theslits 39 as the light leaking means are formed in thecover 30 in this embodiment, illuminatingdevices 50 may be mounted to thesun visor body 20 as shown inFIG. 5 (B), and clearances S between thesun visor body 20 and thecover 30 may be used as a light leaking means (seeFIG. 5 (A)(B)). Alternatively, the illuminatingdevices 50 may be mounted to thesun visor body 20 as shown inFIG. 5 (C), and slits 29 as a light leaking means may be formed in positions of thesun visor body 20 where the slits are not hidden by thecover 30. In addition, it is possible to fit a lens into a part of theslit entire slit - Furthermore, in place of forming the
slits cover 30 or thesun visor body 20 to be transparent. For example, as shown inFIG. 5 (D), atransparent cover 51 for the illuminatingdevice 50 may be configured to have an L-shape configuration in cross-section. Avertical wall portion 51 k of thetransparent cover 51 may be positioned between thecover 30 and thesun visor body 20 when thecover 30 has been closed. Preferably, thetransparent cover 51 is a lens. - Furthermore, the illuminating
device 50 having an electric bulb as a light source is shown inFIG. 5 (B)(C)(D). It is possible to use the illuminatingdevice 40 having theLED 42 and thelight guide panel 44. - The
vehicle sun visor 10 according to the embodiment utilizing theLED 42 and thelight guide panel 44 as the illuminatingdevice 40 may enable forming the illuminatingdevice 40 to have a thin and compact construction in comparison with the case in which an electric bulb, etc. is used as an illuminating device. Therefore, it is possible to mount the illuminatingdevice 40 to thecover 30 for themirror 26, etc., so that freedom in mounting the illuminatingdevice 40 is improved. - The inventions disclosed in the embodiment but are not defined in the claims are listed below:
- (1) A vehicle sun visor having a mirror with a cover mounted to a surface of a sun visor body and configured such that an illuminating device hidden by the cover is uncovered and illuminated when the cover is opened, characterized in that the illuminating device is mounted to the cover. As a result, when the user sees the mirror, it is not necessary to directly look at the illuminating device. Thus, he or she may not feel dazzled.
- (2) The vehicle sun visor as defined in (1), characterized in that:
- the illuminating device has a light emitter comprising an LED, and a light guide panel that directs and refracts the light emitted from the light emitter; and
- the light guide panel is mounted to an inner surface of the cover in parallel thereto and refracts the light emitted from the light emitter in a direction opposite to the cover after guiding the light along the inner surface of the cover.
- Because the LED is used as a light emitter, the size of the illuminating device can be reduced in comparison with the case where an electric bulb is used. In addition, it is possible to manufacture the cover to have a compact size even with the illuminating device mounted to the cover. In addition, because the light guide panel is incorporated, it is possible to guide the light of the LED to a desired position, and therefore, it is possible to effectively use the light from the LED for the purpose of illumination.
- (3) The vehicle sun visor as defined in (2), characterized in that:
- the light guide panel is configured such that a larger amount of light is refracted as the distance from the light emitter increases.
- Therefore, it is possible to substantially uniformly refract and scatter the light from the panel surface of light guide panel.
- (4) The vehicle sun visor as defined in (1) to (3), characterized in that:
- the illuminating device is disposed on either side of the cover in the widthwise direction.
- Therefore, either side of the sun visor body in the widthwise direction can be illuminated with substantially the same brightness.
Claims (11)
1-6. (canceled)
7. A vehicle sun visor comprising a mirror with a cover mounted to a surface of a sun visor body and configured such that an illuminating device hidden by the cover is uncovered and illuminated when the cover is opened, wherein the vehicle sun visor further comprises:
an auxiliary lighting device that can light the illuminating device in the state where the cover is closed; and
a light leaking device that can leak the light of the illuminating device to the outside of the cover such that the illuminating device can illuminate the surface of the sun visor body in the state where the cover is closed.
8. The vehicle sun visor as in claim 7 , wherein:
the auxiliary lighting device comprises:
a rotary switch operating when the sun visor body has been pivoted from a storage position along a ceiling of a vehicle and a light-shielding position on the side of a window glass of the vehicle; and
a timer circuit configured to be able to supply electric power to the illuminating device within a predetermined time period after the point when the rotary switch has been operated.
9. The vehicle sun visor as in claim 7 , wherein:
the light leaking device comprises a slit formed in an end edge of the cover.
10. The vehicle sun visor as in claim 7 , wherein:
the light leaking device comprises a clearance that is formed between the cover and the sun visor body in the state where the cover is closed.
11. The vehicle sun visor as in claim 7 , wherein:
the light leaking device comprises a slit formed in the sun visor body in such a position that is not hidden by the cover.
12. The vehicle sun visor as in claim 7 , wherein:
the light leaking means comprises a transparent part formed on the cover and/or the sun visor body.
13. A vehicle sun visor comprising a mirror with a cover mounted to a surface of a sun visor body and configured such that an illuminating device hidden by the cover is uncovered and illuminated when the cover is opened, wherein the illuminating device is mounted to the cover.
14. The vehicle sun visor as in claim 13 , wherein:
the illuminating device has a light emitter comprising an LED, and a light guide panel that directs and refracts the light emitted from the light emitter; and
the light guide panel is mounted to an inner surface of the cover in parallel thereto and refracts the light emitted from the light emitter in a direction opposite to the cover after guiding the light along the inner surface of the cover.
15. The vehicle sun visor as in claim 14 , wherein the light guide panel is configured such that a larger amount of light is refracted as the distance from the light emitter increases.
16. The vehicle sun visor as in claim 13 , wherein the illuminating device is disposed on either side of the cover in the widthwise direction.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-376243 | 2003-11-05 | ||
JP2003376243A JP2005138686A (en) | 2003-11-05 | 2003-11-05 | Vehicular sun visor |
PCT/JP2004/016320 WO2005044609A1 (en) | 2003-11-05 | 2004-11-04 | Vehicle sun visor |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070063528A1 true US20070063528A1 (en) | 2007-03-22 |
Family
ID=34567107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/595,683 Abandoned US20070063528A1 (en) | 2003-11-05 | 2004-11-04 | Vehicle sun visor |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070063528A1 (en) |
JP (1) | JP2005138686A (en) |
CN (1) | CN100413717C (en) |
DE (1) | DE112004002164T5 (en) |
WO (1) | WO2005044609A1 (en) |
Cited By (7)
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US20100225248A1 (en) * | 2009-03-06 | 2010-09-09 | International Automotive Components Group North America, Inc. | Illuminated visor vanity |
WO2011133791A2 (en) * | 2010-04-22 | 2011-10-27 | Marcus Automotive, Llc | Visor with pivoted side window panel |
US8925995B2 (en) | 2011-10-03 | 2015-01-06 | Marcus Automotive, Llc | Rotatable side window visor and glare shield |
CN107599798A (en) * | 2017-11-01 | 2018-01-19 | 天津富民伟业科技有限公司 | A kind of car visor |
US9975407B2 (en) | 2016-02-23 | 2018-05-22 | Motus Integrated Technologies | Vehicle sun visor assembly having an electrical system |
JP2019506335A (en) * | 2016-02-01 | 2019-03-07 | アーヴィン オートモーティブ プロダクツ、エルエルシー | Lighting visor mirror for automobile |
CN111051100A (en) * | 2017-09-01 | 2020-04-21 | 共和产业株式会社 | Vehicle visor |
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JP4628968B2 (en) * | 2006-01-30 | 2011-02-09 | 矢崎総業株式会社 | Vehicle sun visor |
JP4831109B2 (en) * | 2008-04-08 | 2011-12-07 | 豊田合成株式会社 | Vehicle interior lighting device |
US8425094B2 (en) * | 2010-06-09 | 2013-04-23 | Ford Global Technologies, Llc | Vehicle vanity and light assembly and visor having vanity and dome lighting |
JP5716098B2 (en) * | 2010-12-16 | 2015-05-13 | ジョンソン コントロールズ インテリアズ ゲーエムベーハー アンド カンパニー カーゲー | Automotive interior lighting equipment |
CN103534116A (en) * | 2011-03-17 | 2014-01-22 | 约翰逊内控两合公司 | Sun visor for a vehicle |
CN104590159A (en) * | 2014-12-02 | 2015-05-06 | 力帆实业(集团)股份有限公司 | Electricity supply structure of automobile data recorder |
RU2695747C2 (en) * | 2014-12-22 | 2019-07-25 | ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи | Vehicle sun visor providing luminescent lighting |
US9834069B2 (en) * | 2015-07-21 | 2017-12-05 | Ford Global Technologies, Llc | Sun visor assembly for motor vehicles with pivoting mirror |
JP6666763B2 (en) * | 2016-03-23 | 2020-03-18 | 共和産業株式会社 | Sun visor for vehicles |
US20180131908A1 (en) * | 2016-11-10 | 2018-05-10 | Ford Global Technologies, Llc | Visor assembly for a vehicle |
EP3878692B1 (en) * | 2020-03-10 | 2022-07-27 | Grupo Antolin-Ingenieria, S.A. | Vehicle sunvisor with a vanity mirror assembly having a lighting device |
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Also Published As
Publication number | Publication date |
---|---|
CN1878684A (en) | 2006-12-13 |
JP2005138686A (en) | 2005-06-02 |
CN100413717C (en) | 2008-08-27 |
WO2005044609A1 (en) | 2005-05-19 |
DE112004002164T5 (en) | 2008-06-26 |
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Legal Events
Date | Code | Title | Description |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |